STC SA2489NM

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA2489 1M This certificate issued to: Gulfstream Aerospace Corporation Part 25* of the Federal Aviation Regulations. (*For certification basis, see T.C. Data Sheet No. A1ZEA.)

Original Product Typebertificate: Number: AIZEA Make: Gulfstream Aerospace Model: G-1159A Description of Type Design Change: Installation of Triple Honeywell Lasernav II Navigation Management Systems with Global NBD-2 Navigation Data Bank Interface in accordance with FAA sealed AiResearch Data Index List IL 11011039, Revision "B" dated March 26, 1985, or later FAA sealed revision.

approved AiResearch Airplane Flight Manual Supplements required for the various configurations are listed on the appropriate FAA sealed AiResearch Index List.

Limitations and Conditions: The approval of this change in type design applies basically to Gulfstream American Nodel G-1159A aircraft models only. This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined by the installer that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft.

Date of Application: December 7, 1984 Date Reissued: August 18, 1986 Date of Issuance: May 17, 1985 Date Amended:

FEDERAL AVIATION By Direction of the Administrator .

(Signature) OMINISTRATO Acting Manager, Los Angeles Aircraft Certificahion Oftice

47.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) - (Number and street) (City, State, and ZIP code ) from (Name of grantor) (Print or type) - (Address of grantor) (Number and street) (City, State, and ZIP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink): _